The Photon operating system must configure sshd to disable environment processing.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-256548 | SRG-OS-000480-GPOS-00227 | PHTN-30-000079 | SV-256548r1051424_rule | 2024-12-16 | 1 |
| Description |
|---|
| Enabling environment processing may enable users to bypass access restrictions in some configurations and must therefore be disabled. |
| ℹ️ Check |
|---|
| At the command line, run the following command: #sshd -T|&grep -i PermitUserEnvironment Expected result: PermitUserEnvironment no If the output does not match the expected result, this is a finding. |
| ✔️ Fix |
|---|
| Navigate to and open: /etc/ssh/sshd_config Ensure the "PermitUserEnvironment" line is uncommented and set to the following: PermitUserEnvironment no At the command line, run the following command: # systemctl restart sshd.service |